• Ultimate Messaging
  • Now Powered by Android™
  • Unique and Stylish Form Factor
  • Total Entertainment Package at 4G Speed

Product FeaturesSee All Features
Ultimate Messaging
The T-Mobile® Sidekick® 4G offers you innovative ways to always be socially connected so you never miss a tidbit of news. You have Group Text, which allows multiple people to text at the same time on one threaded message. Cloud Text is also available, which lets you text over the web using your PC. With your Sidekick 4G, email is always at your fingertips. Social Networking is this phone's specialty, with Facebook® and Twitter™ preloaded. Plus, all your favorite social networking sites are in one convenient location with Feeds and Updates. The front facing camera with Qik offers you uninterrupted video chat with friends and family over a 4G network.
Now Powered by Android™
The Android operating system gives you full Google service integration for smooth, fluid usage of Gmail, Google Maps and all things Google. You'll have over 150,000 Android apps at your fingertips on the Google Play™. Now with Android 2.2, Froyo, you can use your Sidekick 4G as a Mobile Hotspot to provide wireless internet access to nearby devices. With Wi-Fi calling, you can make calls while connected to a Wi-Fi network.
Green guides show you the way

In an effort to provide our customers with the latest in technology and the best user-experience, we've provided an new environmental-friendly alternative to a printed paper guide. Virtual Guides provide a "one-stop" support experience with everything from User Guides, Support Videos, Commercials, and Simulations. Take the our next step in going green.


SGH-T839 Sidekick 4G User Guide - ENGLISH

Specifications
  • Carrier
    T-Mobile
    Carrier

    Provides who the cell phone carrier is for this model of phone.


  • Color
    Matte Black, Pearl Magenta
    Color

    Choice of colors (exterior design) that a cellphone model is currently available in.


  • Platform
    Android 2.2, Froyo OS
  • Display
    Display Size: 3.5”
  • Display
    Display Technology: 16M Low Reflection TFT
  • Camera
    Rear-facing Camera Resolution: 3.0 MP
    Camera

    Number of pixels across and down that are used to capture an image. More pixels, the sharper the photo.


  • Camera
    Front-facing Camera Resolution: VGA

Owner Reviews

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OMG I LOVE THIS PHONE!!!!

I really can't say enough about this phone. It does EVERYTHING. I've not needed anything more from a phone than what this one has provided. Access to all kinds of free and fun apps, it's fast, and so easy to get used to even if you're not tech savvy. My only concerns are that sometimes you just have…Read More »

Jess415 on February 16, 2012

Better get this

The text message alerts appear on any screen and the light comes on as well to notify you. The design is sweet and gives you a keyboard that is smooth to type on. Long battery life and easy web access. The camera is exceptional! There is a lot to learn from the Sidekick, but it's well worth it. I wo…Read More »

tom2shop on January 10, 2012

I really like the swype texting. LOVE the way it opens up into the keyboard. Never really interested in a touch screen befor ethis one it really works well for me!! The proximity sensor is a life saver!! Id highly recomend this to people who are wary to the touch screen but wtill want a keyboard! Lo…Read More »

SidekickGrl on December 19, 2011

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For Owners

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T-Mobile s HSPA+ 4G network not available everywhere; see coverage details at T Mobile.com. 4G used in connection with the T-Mobile Sidekick 4G product name refers to the fact that the new Sidekick 4G is designed with HSPA+ 4G technology ('4G").
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Features and specifications are subject to change without prior notification